190 Rockwell Automation Publication 7000-UM202D-EN-P - May 2018
Appendix C Preventative Maintenance Schedule
Overview
Rockwell Automation recognizes that following a defined maintenance
schedule improves drive performance and operational lifespan. By following
this maintenance schedule, you can expect the highest possible uptime. Annual
maintenance includes a visual inspection of all drive components visible from
the front of the unit, resistance checks on the power components, power supply
voltage level checks, general cleaning and maintenance, checking of all
accessible power connections for tightness, and other tasks.
I – Inspection This indicates that the component should be inspected
for signs of excessive accumulation of dust/dirt/etc. or
external damage (for example, looking at filter
capacitors for bulges in the case, inspecting the
heatsinks for debris clogging the air flow path).
M – Maintenance This indicates a maintenance task that is outside the
normal preventative maintenance tasks, and can include
the inductance testing of line reactors/DC links, or the
full testing of an isolation transformer.
R – Replacement This indicates that the component has reached its mean
operational life, and should be replaced to decrease the
chance of component failure. It is very likely that
components will exceed the design life in the drive, and
that is dependent on many factors such as usage or
heating.
C – Cleaning This indicates the cleaning of a part that can be reused,
and refers specifically to the door-mounted air filters in
the liquid-cooled drives and some air-cooled drives.
Rv – Review This refers to a discussion with Rockwell Automation to
determine whether any of the enhancements/changes
made to the drive hardware and control would be
valuable to the application.
RFB/R – Refurbishment/Replacement The parts can be refurbished at lower cost OR the parts
can be replaced with new ones.
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